PB

Philip R. Ballard

📍 Springfield, MA: #113 of 293 inventorsTop 40%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,275,309 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5702102 Score board for dart game 1997-12-30
D368863 Decorative scoreboard for dart game 1996-04-16